rust-analyzer version: 0.3.2660-standalone [/home/omni/.vscode-server/extensions/rust-lang.rust-analyzer-0.3.2660/server/rust-analyzer]

rustc version: 1.89.0 (29483883e 2025-08-04)

editor or extension: VSCode

code snippet to reproduce:

 LogType::UserIsSpammer { is_banned, result } => { (format!("{} {}, {} (подозрение на спам: {:.2}%)"б)) }

[Error - 01:18:58] Request textDocument/documentHighlight failed.
Message: request handler panicked: byte index 57 is not a char boundary; it is inside 'б' (bytes 56..58) of "{} {}, {} (подозрение на спам: {:.2}%)"б
Code: -32603